//
//  caculator.h
//  计算器
//
//  Created by administrator on 13-7-31.
//  Copyright (c) 2013年 yy. All rights reserved.
//

#import <Foundation/Foundation.h>

@interface caculator : NSObject


@property (strong,nonatomic) NSNumber*opNumA;
@property (strong,nonatomic) NSNumber*opNumB;
@property(assign,nonatomic) BOOL iscompieted;


-(NSNumber*)compute;


@end
